lesson 5

Question 1

two main parts of a needle

Answer 1

hub and shaft

Question 2

3 parts of a shaft

Answer 2

lumen, bevel, and point

Question 3

TRUE OR FALSE: Gauge number is inversely proportional to diameter.

Answer 3

TRUE: The larger the number, the smaller the core size

Question 4

Gauge number used for blood donation

Answer 4

16G

Question 5

Gauge number used for blood tranfusion

Answer 5

18G

Question 6

gauge number recommended for adults by CLSI; most commonly used

Answer 6

21G

Question 7

gauge number recommended for children

Answer 7

23G

Question 8

gauge number recommended for thin/small veins

Answer 8

25G

Question 9

used for Mantoux skin test or Purified Protein Derivative (PPD)

Answer 9

27G

Question 10

2 main parts of a syringe

Answer 10

plunger and barrel

Question 11

considered an open system of blood collection since blood is exposed to the environment and healthcare professionals; prone to contamination

Answer 11

needle and syringe method

Question 12

closed system of blood collection because blood drawn passes directly into the tube with no exposure to the environment or to healthcare professionals; two-way system

Answer 12

evacuated tube system

Question 13

evacuated tube system includes:

Answer 13

-multisample needle
-a tube adaptor/holder
-sample tubes

Question 14

TRUE OR FALSE: The longer the blood collection time, the lower the chance of injury.

Answer 14

FALSE: The longer the blood collection time, the higher the chance of injury.

Question 15

liquid portions of whole blood

Answer 15

plasma and serum

Question 16

liquid portion of unclotted blood; has unused fibrinogen

Answer 16

plasma

Question 17

liquid portion of clotted blood

Answer 17

serum

Question 18

3 layers of plasma

Answer 18

-plasma
-buffy coat
-unclotted rbc

Question 19

2 layers of serum

Answer 19

-serum
-clotted rbc

Question 20

Centrifuge separates based on __________.

Answer 20

specific gravity/weight

Question 21

separates rbc from serum or plasma

Answer 21

thixotropic gel

Question 22

no additive; plastic needs inversion, glass serves as clot activator (no inversion)

Answer 22

red top

Question 23

4 layers of blood in GOLD TOP

Answer 23

-serum
-buffy coat
-serum separator gel
-clotted rbc

Question 24

YELLOW TOP ADDITIVES

Answer 24

-Sodium Polyanethol Sulfonate (SPS)
-Acid Citrate Dextrose (ACD)

Question 25

use of Sodium Polyanethol Sulfonate (SPS)

Answer 25

Gram Staining, Culture + Sensitivity (GSCS)

Question 26

concentration of SPS

Answer 26

0.0025%-0.0050%

Question 27

prevents WBC from killing/eliminating bacteria

Answer 27

SPS - antiphagocytic

Question 28

use of Acid Citrate Dextrose (ACD)

Answer 28

-Human Leukocyte Antigen tissue typing
-Paternity testing
-DNA Studies

Question 29

order of draw

Answer 29

-yellow
-light blue
-red
-serum
-plasma
-green
-lavender
-gray

Question 30

NRL for HIV testing

Answer 30

San Lazaro Hospital

Question 31

NRL for illicit drug testing

Answer 31

East Avenue Medical Center

Question 32

NRL for microbiology

Answer 32

Research Institute for Tropical Medicine

Question 33

NRL for chemistry, toxicology

Answer 33

Lung Center of the Philippines

Question 34

NRL for hematology

Answer 34

National Kidney Transplant Institute

Question 35

NRL for pathology of cardiac diseases

Answer 35

Philippine Heart Center